DataTreeGrab.py 文件源码

def warn(self, message, category=None, caller_id=0, severity=1, stacklevel=1):
        # 1 = serious
        # 2 = invalid data_def
        # 4 = invalid data
        with self.warn_lock:
            # Check if message is already a Warning object
            if isinstance(message, Warning):
                category = message.__class__
            # Check category argument
            if category is None:
                category = UserWarning
            assert issubclass(category, Warning)
            # Get context information
            try:
                caller = sys._getframe(stacklevel)
            except ValueError:
                globals = sys.__dict__
                lineno = 1
            else:
                globals = caller.f_globals
                lineno = caller.f_lineno
            if '__name__' in globals:
                module = globals['__name__']
            else:
                module = "<string>"
            filename = globals.get('__file__')
            if filename:
                fnl = filename.lower()
                if fnl.endswith((".pyc", ".pyo")):
                    filename = filename[:-1]
            else:
                if module == "__main__":
                    try:
                        filename = sys.argv[0]
                    except AttributeError:
                        # embedded interpreters don't have sys.argv, see bug #839151
                        filename = '__main__'
                if not filename:
                    filename = module
            registry = globals.setdefault("__warningregistry__", {})
            self.warn_explicit(message, category, filename, lineno, caller_id, severity, module, registry, globals)